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* [DPDK/ethdev Bug 1574] bnxt dropping all packets when memory is low
@ 2024-11-06  9:19 bugzilla
  0 siblings, 0 replies; only message in thread
From: bugzilla @ 2024-11-06  9:19 UTC (permalink / raw)
  To: dev

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https://bugs.dpdk.org/show_bug.cgi?id=1574

            Bug ID: 1574
           Summary: bnxt dropping all packets when memory is low
           Product: DPDK
           Version: 23.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: fgiordano@riverbed.com
  Target Milestone: ---

Hello,

my DPDK application uses a BCM57412 NetXtreme-E 10Gb RDMA ethernet controller
(bnxt driver). When memory is low (and I reproduce it with a custom binary that
simply allocates memory and uses it) I get a bunch of errors like these in
/var/log/messages:

bnxt_rx_pkt(): mbuf alloc failed with prod=0x10aa

That's probably expected but what happens sometimes is that the NIC starts
dropping **all** incoming packets. Even if I then stop the memory-eating tool,
the application will drop 100% of incoming packets. The only thing to do at
that point is to restart the application.

I tested it with version 21.11.1, 23.11.1 and 23.11.2 and I could reproduce it
on all of them. Is this a known issue? Thanks.

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2024-11-06  9:19 [DPDK/ethdev Bug 1574] bnxt dropping all packets when memory is low bugzilla

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